11404334404321 has 2 divisors, whose sum is σ = 11404334404322. Its totient is φ = 11404334404320.

The previous prime is 11404334404319. The next prime is 11404334404343. The reversal of 11404334404321 is 12340443340411.

11404334404321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5926108609600 + 5478225794721 = 2434360^2 + 2340561^2 .

It is a cyclic number.

It is not a de Polignac number, because 11404334404321 - 2¹ = 11404334404319 is a prime.

Together with 11404334404319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11404334494321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5702167202160 + 5702167202161.

It is an arithmetic number, because the mean of its divisors is an integer number (5702167202161).

Almost surely, 2^{11404334404321} is an apocalyptic number.

It is an amenable number.

11404334404321 is a deficient number, since it is larger than the sum of its proper divisors (1).

11404334404321 is an equidigital number, since it uses as much as digits as its factorization.

11404334404321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 11404334404321 its reverse (12340443340411), we get a palindrome (23744777744732).

The spelling of 11404334404321 in words is "eleven trillion, four hundred four billion, three hundred thirty-four million, four hundred four thousand, three hundred twenty-one".